The dustproof cabinet is designed for installation of pointer thermometers, connection of built-in current transformers and process protection sensors of transformer equipment of voltage class up to 1150 kV to relay protection and automation (RP&A) circuits of monitoring systems or APCS of a power facility.
Main functions of transformer protection relay:
- indication of oil and power transformer winding temperature value;
- Switching of wired cable lines with equipment of RP&A, monitoring systems or automated process control system;
- Maintenance of microclimate in the make-up room;
- lighting in the PVZ.